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Recent questions tagged sat

The Minnesota area has the following weather in $^{\circ}F$ . What is the difference between the high temperature average and the low temperature average over the three days ?

asked Dec 17, 2018 by meena.clay6

1 answer

Emy travelled 120 miles on day 1, 115 miles on day 2 and 113 miles on day 3. How many miles per day did she travel on an average ?

asked Dec 17, 2018 by meena.clay6

1 answer

In the figure $AP$ is a tangent to the circle with centre $O$ such that $OP= 4\;cm$ and $\angle {OPA} = 30^{\circ}$. Then AP

asked Dec 15, 2018 by priyanka.c

1 answer

The average of 4 consecutive even numbers is 40. What is the value of the least of the 4 numbers ?

asked Dec 14, 2018 by meena.clay6

1 answer

In a certain class there are 15 girls and 20 boys. If the average height of the girls is $x$ and average height of boy is $y$, what is the average height of all the boys and girls in the class ?

asked Dec 13, 2018 by meena.clay6

1 answer

Mike takes 25 minutes to run around the track. He takes a second loop and it takes him 30 minutes. If the track is 10 miles long , what is his average speed in miles per hour ?

asked Dec 13, 2018 by meena.clay6

1 answer

The average of $x,y$ and $z$ is 9. If $x+y=20$ then $z$ is equals

asked Dec 13, 2018 by meena.clay6

1 answer

What are the products obtained when potassium sulphate reacts with barium iodide in an aqueous medium?

asked Dec 13, 2018 by meena.clay6

0 answers

When a drop of an unknown solution X is placed on a strip of pH paper, a deep blue colour is produced . This solution should be

asked Dec 13, 2018 by meena.clay6

1 answer

Which one will change from red litmus to blue?

asked Dec 13, 2018 by meena.clay6

1 answer

$MgO + 2HCl \to X + H_2O$

asked Dec 13, 2018 by meena.clay6

1 answer

Select the one which is wrongly mapped

asked Dec 13, 2018 by meena.clay6

1 answer

What is the pH of 0.0001 molar HCl solution?

asked Dec 12, 2018 by meena.clay6

1 answer

Which one will change from red litmus to blue?

asked Dec 12, 2018 by meena.clay6

1 answer

Find the odd one out

asked Dec 12, 2018 by meena.clay6

1 answer

A Strong acid is same as concentrated acid. State true or false

asked Dec 12, 2018 by meena.clay6

1 answer

Which one is correctly matched?

asked Dec 12, 2018 by meena.clay6

1 answer

Which of the following when dissolved in water and placed in the conductivity apparatus would cause the light to glow?

asked Dec 12, 2018 by meena.clay6

1 answer

The point at which a titration is complete is called the

asked Dec 12, 2018 by meena.clay6

1 answer

A buffer solution

asked Dec 12, 2018 by meena.clay6

1 answer

According to the Bronsted-Lowry Theory, an acid is

asked Dec 12, 2018 by meena.clay6

1 answer

The pH of a solution with a hydrogen ion concentration of $1 \times 10^{-3}$ is

asked Dec 12, 2018 by meena.clay6

1 answer

Which pH is an acid solution?

asked Dec 12, 2018 by meena.clay6

1 answer

$H_2SO_4$ is a strong acid because it is

asked Dec 12, 2018 by meena.clay6

1 answer

The hydronium ion is represented as

asked Dec 12, 2018 by meena.clay6

1 answer

The chemical formula of caustic potash is

asked Dec 12, 2018 by meena.clay6

1 answer

The function of quick lime in soda lime mixture is to

asked Dec 12, 2018 by meena.clay6

1 answer

Methyl orange is

asked Dec 12, 2018 by meena.clay6

1 answer

Which one of the following is acidic?

asked Dec 12, 2018 by meena.clay6

1 answer

At the boiling point of a liquid its ________ becomes equal to the atmospheric pressure.

asked Dec 11, 2018 by meena.clay6

1 answer

The pH of pure water at $80^\circ C$ will be

asked Dec 11, 2018 by meena.clay6

1 answer

Equal amounts of reactants are poured into a suitable container. Given sufficient time, the reactants may be converted almost entirely to products if:

asked Dec 11, 2018 by meena.clay6

1 answer

$K_{sp}$ of $AglO_3$ is $1 \times 10^{4}$ at a given temperature what is the mass of $AglO_3$ in 100 ml of its saturated solution ?

asked Dec 11, 2018 by meena.clay6

1 answer

Number of $H^{+ ions}$ present in 500 ml of lemon juice of $P^{H}=3$ is

asked Dec 11, 2018 by meena.clay6

1 answer

A vessel contains $CO_2$ at $1000\;K$ temperature with pressure $0.5$ atm. Some of $CO_2$ is converted in to CO on addition of graphite . If total pressure at equilibrium is $0.8$ atm the value of $K_p$ is

asked Dec 11, 2018 by meena.clay6

1 answer

If PA and PB are tangents from outside point P such that PA = 10 cm and $\angle{APB}= 60^{\circ}$. Find the length of chord AB.<br>

asked Dec 6, 2018 by priyanka.c

1 answer

In the given figure chords AB and CD of a circle intersect at $P$. If $AB$ = 5 cm, $PB$ = 3cm and $PD$= 4cm, then find the length of $CD$.<BR>

asked Dec 6, 2018 by priyanka.c

1 answer

Find the area of the unshaded region in the figure if $ABCD$ is a square of side 14 cm and $APD$ and $BPC$ are semi circle <br>

asked Dec 5, 2018 by priyanka.c

1 answer

If the perimeter of a semi-circular protractor is 108 cm, find the diameter of the protractor.

asked Dec 5, 2018 by priyanka.c

0 answers

If the perimeter of a semi-circular protractor is 108 cm, find the diameter of the protractor.

asked Dec 5, 2018 by priyanka.c

1 answer

The chord of a circle is equal to its radius. The angle subtended by this chord at the minor arc of the circle is

asked Dec 5, 2018 by priyanka.c

1 answer

In the figure below two equal circles touch each other at $T$, if $QP = 4.5\;cm$, then $QR$= ________

asked Dec 5, 2018 by priyanka.c

1 answer

In the figure $O$ is the centre of a circle of radius 5 cm. T is a point such that OT = 13 cm and OT intersects the circle at E. If AB is the tangent to the circle at E, then the length of AB is _________

asked Dec 5, 2018 by priyanka.c

1 answer

The incircle of a $\Delta ABC$, touches the side $BC$, $CA$ and $AB$ at $D, E$ and $F$ respectively. If $AF + BD + CE = AE + BF + CD +$ __________ perimeter of $\Delta ABC$

asked Dec 5, 2018 by priyanka.c

1 answer

ABCD is a quadrilateral such that $\angle D = 90^{\circ}$. A circle $(O,r)$ touches the sides $AB, \; BC,\; CD$ and $DA$ at $PQR$ and $S$ respectively. If $BC = 38\; cm, \; CD = 25\;cm$ and $BP = 27\;cm$ then $r$ = __________

asked Dec 5, 2018 by priyanka.c

1 answer

PQ is a chord of length 8 cm of a circle of radius 5 cm. The tangent at $P$ and $Q$ intersect at a point $T$. The length of $TP$ is _________

asked Dec 5, 2018 by priyanka.c

1 answer

$d$ and $m$ are the parallel tangent at $A$ and $B$. The tangent at $C$ makes an intercept $DE$ between $d$ and $m$. Hence $\angle{DFE}$ = ________

asked Dec 5, 2018 by priyanka.c

1 answer

If an isosceles triangle $ABC$ in which $AB = AC$ = 6 cm is inscribed in a circle of radius 9 cm, then the area of the triangle $ABC$ is _______

asked Dec 5, 2018 by priyanka.c

1 answer

In the figure below, $BC$ is a tangent to the circle with centre $O$. $OE$ bisects $AP$. Then $\Delta$AEO is _________ $\Delta$ABC

asked Dec 5, 2018 by priyanka.c

1 answer

$CP$ and $CQ$ are tangent from an external point $C$ to a circle with centre $O$. $AB$ is another tangent which touches the circle at $R$. If $CP = 11 \;cm$ and $BR = 4\;cm$, then the length of $BC$ is _________

asked Dec 5, 2018 by priyanka.c

1 answer

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